A report this morning from the South China Morning Post claims that Amazon's 3G-boasting Kindle is selling fast on the so-called "gray" market in China because of its 3G internet connectivity and browser. The device, it seems, offers the Chinese a rare opportunity to side-step the "great Firewall" of the Chinese government, which restricts access to sites such as Facebook and Twitter. Amazon does not officially sell the Kindle in China, which has the world's largest internet-connected population at 420 million. The Kindle, which seems to have been overlooked by